A screen printing station for piezoelectric driver ceramics

Abstract

The utility model relates to a silk screen printing platform for piezoelectric driver ceramic, including bottom plate, the middle part of bottom plate top surface is provided with precision displacement platform, the top of precision displacement platform is provided with vacuum adsorption cavity, the quick clamp formula ceramic fixed frock is provided on vacuum adsorption cavity, the one side of bottom plate top surface is provided with two bearing supports, and the silk screen mounting frame is rotatably connected between two bearing supports, the printing silk screen is installed in silk screen mounting frame, the one side of silk screen mounting frame is provided with quick clamp, the silk screen printing material replacement limiting mechanism is provided in silk screen mounting frame one side of bottom plate top surface. The utility model's silk screen printing platform according to printing requirement quick and convenient replacement different mesh number, shape's printing silk screen, the ceramic unloading of being convenient for, simultaneously can according to the size of different ceramic length, width, height accurate adjustment, collocation different specifications silk screen complete the printing of multiple ceramics.

Description

Technical Field

[0001] This utility model relates to a screen printing table for piezoelectric actuator ceramics, belonging to the technical field of screen printing table. Background Technology

[0002] With the rapid development of modern technology, piezoelectric ceramics, as a functional material capable of converting mechanical energy into electrical energy, are characterized by fast response speed, enabling rapid braking and releasing actions. They also offer high control precision and a compact structure. Piezoelectric ceramic actuators are widely used in precision positioning, microelectromechanical systems (MEMS), and other fields. Screen printing, as an important material patterning and functionalization processing technology, plays a crucial role in piezoelectric ceramic production. Through screen printing, various functional materials can be precisely printed onto piezoelectric ceramic substrates, enabling the regulation and optimization of piezoelectric ceramic performance.

[0003] Screen printing tables are auxiliary tools used in the early stages of ceramic research and development for printing silver coatings on the surface. Therefore, the printing table needs to be compact, easy for researchers to operate, have stable performance, and require high printing precision. However, existing small printing tables on the market cannot accurately adjust the X, Y, and Z axis positions of the parts to be printed, lack mounting fixtures compatible with ceramic printing, and the screen mounting dimensions of the printing tables on the market are also incompatible. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a screen printing table for piezoelectric actuator ceramics.

[0005] The main technical problems solved by this utility model include: how to print on ceramics of different specifications, how to easily replace the printing screen, and how to accurately adjust the X, Y, and Z axis positions of the ceramic to be printed.

[0006] The technical solution of this utility model is as follows: A screen printing table for piezoelectric actuator ceramics includes a base plate, a precision displacement stage disposed in the middle of the top surface of the base plate, a vacuum adsorption chamber disposed above the precision displacement stage, a quick-clamp ceramic fixing fixture disposed on the vacuum adsorption chamber, two bearing brackets disposed on one side of the top surface of the base plate, a screen mounting frame rotatably connected between the two bearing brackets, a printing screen is installed in the screen mounting frame, a quick clamp is disposed on one side of the screen mounting frame, and a screen printing material changing limiting mechanism is disposed on the top surface of the base plate on one side of the screen mounting frame.

[0007] According to a preferred embodiment of the present invention, the vacuum adsorption chamber includes a rectangular body, a circular cavity is formed inside the rectangular body, a plurality of circular holes are formed above the circular cavity in the rectangular body, and a vacuum pump is connected to the outside of the rectangular body and communicates with the circular cavity.

[0008] According to a preferred embodiment of the present invention, the quick-clamp ceramic fixing fixture includes a positioning component, which is disposed above the vacuum adsorption chamber. A spring cover plate is provided on one side of the positioning component. The spring cover plate is a hollow cover. A slot is provided on the positioning component. A ceramic clamping component is disposed in the slot. One side of the ceramic clamping component is slidably connected to the positioning component and the spring cover plate in sequence. A spring is disposed between the spring cover plate and the positioning component. The spring is sleeved on the ceramic clamping component. The side of the spring closest to the positioning component is fixedly connected to the ceramic clamping component.

[0009] According to a preferred embodiment of the present invention, the screen mounting frame includes two longitudinal screen mounting plates, which are disposed on both sides of the printing screen. Two positioning beads are disposed on the side of each longitudinal screen mounting plate. A transverse screen mounting plate is disposed between the longitudinal screen mounting plates and is disposed on one side of the printing screen. A flip shaft is disposed at the rear end of each of the two longitudinal screen mounting plates, and the flip shaft is rotatably connected to a bearing bracket via a bearing.

[0010] Preferably, handles are installed at the front ends of the two longitudinal wire mesh mounting plates.

[0011] According to a preferred embodiment of the present invention, the quick clamp includes a clamp mounting base, which is mounted on the side of the longitudinal wire mesh mounting plate via a quick clamp mounting block. A clamp clamping handle is hinged above the clamp mounting base, and a fixing frame is hinged to the side of the clamp mounting base near the longitudinal wire mesh mounting plate. A connecting block is provided between the clamp clamping handle and the fixing frame, and both sides of the connecting block are respectively hinged to the clamp clamping handle and the fixing frame. A clamp clamping block is provided on the side of the fixing frame away from the clamp mounting base.

[0012] According to a preferred embodiment of the present invention, the screen printing material changing limiting mechanism includes a screen printing material changing limiting bracket, which is fixed to the top surface of the base plate on one side of the screen mounting frame. A sliding shaft is slidably connected above the screen printing material changing limiting bracket. A retaining ring is provided on the side of the sliding shaft near the screen mounting frame, and a seven-star handle is provided on the side of the sliding shaft away from the screen mounting frame.

[0013] According to a preferred embodiment of the present invention, a rear limiting support structure is provided below the transverse wire mesh mounting plate. The rear limiting support structure includes a rear limiting support frame, which is fixed above the base plate. A rear limiting shock absorber is provided above the rear limiting support frame.

[0014] According to a preferred embodiment of the present invention, a front limiting support structure is provided below one side of the longitudinal wire mesh mounting plate. The front limiting support structure includes a front limiting support frame, which is fixed above the base plate. A front limiting shock absorber is threadedly connected to the top of the front limiting support frame.

[0015] According to a preferred embodiment of the present invention, a connecting block is provided between the base plate and the precision displacement stage.

[0016] According to a preferred embodiment of the present invention, a connecting block 2 is provided between the precision displacement stage and the vacuum adsorption chamber.

[0017] According to a preferred embodiment of the present invention, feet are respectively provided at the four corners of the bottom surface of the base plate.

[0018] The technical features and beneficial effects of this utility model are as follows: 1. In terms of fixing the printing screen, the screen printing table of this utility model adopts a combination of positioning beads and quick clamps. The positioning beads position the printing screen frame, and the quick clamps press and fix the printing screen frame. This solution allows for quick and convenient replacement of printing screens with different mesh counts and shapes according to printing requirements.

[0019] 2. The screen printing table of this utility model facilitates the loading and unloading of ceramics. It combines vacuum adsorption, spring quick clamp and screen printing material changing limiting mechanism. When placing ceramics, vacuum adsorption uses negative pressure to make them adhere to the tooling. When loading and unloading ceramics, the printing screen is lifted, the printing screen is blocked by the retaining ring, the ceramic clamping part is pulled open, the ceramic is placed into the slot, and the ceramic clamping part is easily pulled open to complete the ceramic loading.

[0020] 3. The screen printing table of this utility model has excellent compatibility. The precision displacement table of the ceramic mounting part can realize the position adjustment in the X, Y and Z directions. It can be precisely adjusted according to the length, width and height of different ceramics, and can be used with screens of different specifications to complete the printing of various ceramics.

[0021] 4. The screen printing table of this utility model is made of materials selected according to the function of different parts. The main body is made of two materials: 45 steel and 6061 alloy. The flip printing part is made of lightweight 6061 alloy to reduce fatigue during operation. The base plate, support frame and flip shaft are made of 45 steel, which lowers the center of gravity of the printing table and makes the whole more stable, while also reducing material costs. The overall size of the screen printing table is 300*200*300 mm, which is compact and suitable for desktop use. Attached Figure Description

[0022] Figure 1 A schematic diagram of a screen printing table provided for an embodiment; Figure 2 A perspective view of the screen printing table provided in the embodiment; Figure 3 A perspective view showing the component distribution of the printing table provided in this embodiment; Figure 4 A schematic diagram of the ceramic feeding section provided in the embodiment; Figure 5 A schematic diagram of the printing screen provided for an embodiment; Figure 6 A schematic diagram of the ceramic fixing fixture provided in the embodiment; Figure 7 A schematic diagram of the vacuum adsorption chamber provided for an embodiment; Figure 8 A schematic diagram of a precision displacement stage provided for an embodiment; Figure 9 A schematic diagram of the quick clamp provided for an embodiment; Figure 10 A schematic diagram of the flip axis provided for an embodiment; Figure 11 A schematic diagram of a longitudinal wire mesh mounting plate provided for an embodiment; Figure 12 A schematic diagram of a transverse wire mesh mounting plate provided for an embodiment; Figure 13 A schematic diagram of the bearing bracket provided for an embodiment; Figure 14 A schematic diagram of the bearing provided for an embodiment; Figure 15 A schematic diagram of the screen printing material changing limiting bracket provided in the embodiment; Figure 16 A schematic diagram of the second connecting block provided in the embodiment; The components are: 1. Foot, 2. Base plate, 3. Front limit support frame, 4. Connecting block one, 5. Front limit shock absorber block, 6. Precision displacement stage, 7. Connecting block two, 8. Vacuum adsorption chamber, 9. Quick-clamp ceramic fixing fixture, 10. Shaft retaining ring, 11. Tilting shaft, 12. Bearing, 13. Seven-star handle, 14. Bearing bracket, 15. Screen printing material changing limit bracket, 16. Handle, 17. Printing screen, 18. Quick clamp, 19. Longitudinal screen mounting plate, 20. Positioning bead, 21. Quick clamp mounting block, 22. Transverse screen mounting plate, 23. Rear limit shock absorber block, 24. Rear limit support frame; 91. Fastener; 92. Spring cover plate; 93. Ceramic clamping component; 94. Spring; 181. Clamp mounting base; 182. Clamp clamping handle; 183. Fixing bracket; 184. Connecting plate; 185. Clamp clamping block. Detailed Implementation

[0023] The present invention will be further described below with reference to embodiments and accompanying drawings, but is not limited thereto. The described embodiments are some embodiments of the present invention. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and should not be construed as limiting this utility model.

[0025] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other. Unless otherwise specified in the embodiments of this utility model, existing technologies can be used.

[0026] Example 1 like Figure 1-16 As shown, a screen printing table for piezoelectric actuator ceramics includes a base plate 2, a precision displacement stage 6 is provided in the middle of the top surface of the base plate 2, a vacuum adsorption chamber 8 is provided above the precision displacement stage 6, a quick-clamp ceramic fixing fixture 9 is provided on the vacuum adsorption chamber 8, two bearing brackets 14 are provided on the rear side of the top surface of the base plate 2, a screen mounting frame is rotatably connected between the two bearing brackets 14, a printing screen 17 is installed in the screen mounting frame, a quick clamp 18 is provided on one side of the screen mounting frame, and a screen printing material changing limiting mechanism is provided on the top surface of the base plate 2 on one side of the screen mounting frame.

[0027] The vacuum adsorption chamber 8 includes a rectangular body with a circular cavity inside. Several circular holes are opened above the circular cavity in the rectangular body. A vacuum pump is connected to the outside of the rectangular body and communicates with the circular cavity.

[0028] The quick-clamp ceramic fixing fixture 9 includes a positioning component 91, which is positioned above the vacuum adsorption chamber 8. A spring cover plate 92 is provided on one side of the positioning component 91. The spring cover plate 92 is a hollow cover. A slot is provided on the positioning component 91, and a ceramic clamping component 93 is provided in the slot. One side of the ceramic clamping component 93 is slidably connected to the positioning component 91 and the spring cover plate 92 in sequence. A spring 94 is provided between the spring cover plate 92 and the positioning component 91. The spring 94 is sleeved on the ceramic clamping component 93, and the side of the spring 94 closest to the positioning component 91 is fixedly connected to the ceramic clamping component 93.

[0029] The screen mounting frame includes two longitudinal screen mounting plates 19, which are located on both sides of the printing screen 17. Two positioning beads 20 are provided on the side of each longitudinal screen mounting plate 19. A transverse screen mounting plate 22 is provided between the longitudinal screen mounting plates 19 and is located on the rear side of the printing screen 17. A flip shaft 11 is provided at the rear end of each of the two longitudinal screen mounting plates 19. The flip shaft 11 is rotatably connected to the bearing bracket 14 through a bearing 12. A handle 16 is provided at the front end of each of the two longitudinal screen mounting plates 19.

[0030] The quick clamp 18 includes a clamp mounting base 181, which is mounted on the side of the longitudinal wire mesh mounting plate 19 via a quick clamp mounting block 21. A clamp clamping handle 182 is hinged above the clamp mounting base 181. A fixing frame 183 is hinged to the side of the clamp mounting base 181 near the longitudinal wire mesh mounting plate 19. A connecting plate 184 is provided between the clamp clamping handle 182 and the fixing frame 183. The two sides of the connecting plate 184 are respectively hinged to the clamp clamping handle 182 and the fixing frame 183. A clamp clamping block 185 is provided on the side of the fixing frame 183 away from the clamp mounting base 181.

[0031] The screen printing material changing limit mechanism includes a screen printing material changing limit bracket 15, which is fixed to the top surface of the base plate 2 on one side of the screen mounting frame. A sliding shaft is slidably connected above the screen printing material changing limit bracket 15. A shaft retaining ring 10 is provided on the side of the sliding shaft close to the screen mounting frame, and a seven-star handle 13 is provided on the side of the sliding shaft away from the screen mounting frame.

[0032] A rear limiting support structure is provided below the horizontal wire mesh mounting plate 22. The rear limiting support structure includes a rear limiting support frame 24, which is fixed above the base plate 2. A rear limiting shock absorber block 23 is provided above the rear limiting support frame 24.

[0033] A front limit support structure is provided on the lower front side of the longitudinal wire mesh mounting plate 19. The front limit support structure includes a front limit support frame 3, which is fixed above the base plate 2. A front limit damping block 5 is threadedly connected to the top of the front limit support frame 3.

[0034] A connecting block 4 is provided between the base plate 2 and the precision displacement stage 6.

[0035] A connecting block 7 is provided between the precision displacement stage 6 and the vacuum adsorption chamber 8.

[0036] Footplates 1 are installed at the four corners of the bottom surface of the base plate 2.

[0037] In this embodiment, the precision displacement stage is an existing mechanism used to adjust the displacement.

[0038] In this embodiment, the foot 1 is a rubber washer-type foot pad, the base plate 2 is made of 45 steel with nickel plating, the front limit support frame 3 is a 45 steel with nickel plating round bar, the connecting block 4 is made of 45 steel with nickel plating, the front limit shock absorber 5 is made of rubber, the connecting block 7 is made of 6061 alloy, the vacuum adsorption chamber 8 is made of 6061 alloy, the positioning part 91 and the spring cover plate 92 are made of 6061 alloy with natural anodized finish, the ceramic clamping part 93 is made of US304, and the flip shaft... 11 is made of nickel-plated 45 steel; 14 is made of nickel-plated 45 steel; 15 is made of nickel-plated 45 steel; 19 is made of 6061 alloy with natural anodizing treatment; 21 is made of 6061 alloy with natural anodizing treatment; 22 is made of 6061 alloy with natural anodizing treatment; 23 is made of polyurethane; and 24 is made of nickel-plated 45 steel.

[0039] How to use: ① Pre-use preparation and debugging: The screen printing table is equipped with a vacuum pump. Connect the vacuum pump's air pipe to the pneumatic quick-connect connector on the side of the vacuum adsorption chamber 8. Power on the vacuum pump during printing. Attach the screen printing frame to the front limit damping block 5. Adjust the height by rotating the thread depth of the front limit damping block 5 to ensure the screen printing is horizontal during operation. Adjust the height of the quick-clamping block on the screen printing frame to ensure the screen printing is firmly pressed after the frame is pressed, preventing the screen from loosening and affecting printing quality. Secure the quick-clamp ceramic fixing fixture 9 to the slot of the vacuum adsorption chamber 8 with set screws, clamp the printing ceramic, and adjust the precision displacement stage 6 to align the ceramic with the printing position on the screen printing. This completes the pre-use debugging and preparation.

[0040] ② Usage steps: Turn on the vacuum pump, hold handle 16 to lift the printing screen 17, push in the seven-star handle 13 to make the retaining ring lock the printing screen 17, pull out the ceramic clamp 93 and place the ceramic to be printed on it, gently loosen the clamp on the ceramic, lift handle 16, retract the seven-star handle 13, and put down the printing screen 17 to make the printing area of ​​the printing screen adhere to the ceramic. You can then use the coating material for printing. Repeat the above operations to perform ceramic printing. If you need to change to a different mesh size or shape of printing screen 17, open the quick clamp 18, replace it, and then re-clamp it.

Claims

1. A screen printing table for piezoelectric actuator ceramics, characterized in that, The device includes a base plate, a precision displacement stage located in the center of the top surface of the base plate, a vacuum adsorption chamber located above the precision displacement stage, a quick-clamp ceramic fixing fixture located on the vacuum adsorption chamber, two bearing supports located on one side of the top surface of the base plate, a screen printing mounting frame rotatably connected between the two bearing supports, a printing screen installed inside the screen printing mounting frame, a quick clamp located on one side of the screen printing mounting frame, and a screen printing material changing limiting mechanism located on one side of the top surface of the base plate near the screen printing mounting frame.

2. The screen printing table for piezoelectric actuator ceramics according to claim 1, characterized in that, The vacuum adsorption chamber includes a rectangular body with a circular cavity inside. The rectangular body has several circular holes above the circular cavity, and a vacuum pump connected to the outside of the rectangular body is in communication with the circular cavity.

3. The screen printing table for piezoelectric actuator ceramics according to claim 1, characterized in that, The quick-clamp ceramic fixing fixture includes a positioning component, which is positioned above the vacuum adsorption chamber. A spring cover plate is provided on one side of the positioning component. The spring cover plate is a hollow cover. A slot is provided on the positioning component, and a ceramic clamping component is provided in the slot. One side of the ceramic clamping component is slidably connected to the positioning component and the spring cover plate in sequence. A spring is provided between the spring cover plate and the positioning component. The spring is sleeved on the ceramic clamping component, and the side of the spring closest to the positioning component is fixedly connected to the ceramic clamping component.

4. The screen printing table for piezoelectric actuator ceramics according to claim 1, characterized in that, The screen mounting frame includes two longitudinal screen mounting plates, which are disposed on both sides of the printing screen. Two positioning beads are disposed on the side of each longitudinal screen mounting plate. A transverse screen mounting plate is disposed between the longitudinal screen mounting plates and is disposed on one side of the printing screen. A flip shaft is disposed at the rear end of each of the two longitudinal screen mounting plates, and the flip shaft is rotatably connected to a bearing bracket via a bearing.

5. The screen printing table for piezoelectric actuator ceramics according to claim 4, characterized in that, Handles are installed at the front ends of the two longitudinal wire mesh mounting plates.

6. The screen printing table for piezoelectric actuator ceramics according to claim 4, characterized in that, The quick clamp includes a clamp mounting base, which is mounted on the side of the longitudinal wire mesh mounting plate via a quick clamp mounting block. A clamp clamping handle is hinged above the clamp mounting base. A fixing frame is hinged to the side of the clamp mounting base closest to the longitudinal wire mesh mounting plate. A connecting block is provided between the clamp clamping handle and the fixing frame. The two sides of the connecting block are respectively hinged to the clamp clamping handle and the fixing frame. A clamp clamping block is provided on the side of the fixing frame away from the clamp mounting base.

7. The screen printing table for piezoelectric actuator ceramics according to claim 1, characterized in that, The screen printing material changing limiting mechanism includes a screen printing material changing limiting bracket, which is fixed to the top surface of the base plate on one side of the screen mounting frame. A sliding shaft is slidably connected above the screen printing material changing limiting bracket. A shaft retaining ring is provided on the side of the sliding shaft near the screen mounting frame, and a seven-star handle is provided on the side of the sliding shaft away from the screen mounting frame.

8. The screen printing table for piezoelectric actuator ceramics according to claim 4, characterized in that, A rear limiting support structure is provided below the horizontal wire mesh mounting plate. The rear limiting support structure includes a rear limiting support frame, which is fixed above the base plate. A rear limiting shock absorber is provided above the rear limiting support frame.

9. The screen printing table for piezoelectric actuator ceramics according to claim 4, characterized in that, A front limiting support structure is provided below one side of the longitudinal wire mesh mounting plate. The front limiting support structure includes a front limiting support frame, which is fixed above the base plate. A front limiting shock absorber is threadedly connected to the top of the front limiting support frame.

10. The screen printing table for piezoelectric actuator ceramics according to claim 1, characterized in that, A connecting block one is provided between the base plate and the precision displacement stage; a connecting block two is provided between the precision displacement stage and the vacuum adsorption chamber.

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